Product Name: Cow-House Exhaust Fan with CE (DJF(D)-1000) Model NO.: DJF(D)-1000 Certification: CE, CE Installation: Ceiling Application: Industrial Material: metal Remote Control: Without Remote Control Blade: 4 Pieces Type: Air Cooling Fan Timer: Without Timer Power: >300W Power Supply: Electric Speed: 1 Speed Trademark: SANHE BRAND Transport Package: Standard Paper Carton Specification: DJF(d)-1000 Origin: China(Mainland) Product Description 1. Fan galvanized round frame with zinc-coated of 180g/sqm, increase zinc-coated layer, to ensure never rust. Flanging edge backflow design increase ventilation, reduce vibration and noise, improve fan's stability. 2. Fan blades are adjusted by intelligent dynamic-balance tester, ensure the fan smooth running, lower vibration, less noise, increase stability and service life. 3. SANHE motors with aluminum-magnesium alloy housing, good heat emission, high efficiency, reasonable dimension, light weight, low current, big torque. 4. Fan blade is made of mirror stainless steel by punch forming. Large air volume, no deformation, no dust, attractive and durable. 5. Experiment Proved: In order to get the best ventilation effect, optimum installation site lies in the right above of the feeling trough, distance between the fan's bottom and ground is 2.7m. Inclination angle is better from 15oto 30o.